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December 22, 2017

James Canyon Flood Recovery Project Update

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Hello -

I hope all is well. Here's the latest on the county's permanent flood recovery efforts in James Canyon.

You've probably noticed that a traffic signal keeps moving around the canyon. KTI is currently using the signal in order to build rockeries (stacked-rock slope stabilization and bank protection technique) in various places throughout the canyon. In order to safely stack the rock, they need to close a lane to give their equipment room to deliver and set the boulders. This work will go on for the foreseeable future as there are numerous rockeries to build.

Work at the large retaining wall below town is going well (photo below). Crews have poured the moment slab, which is a large concrete pad that runs under the road and creates the curb that attaches to the guardrail. If a vehicle strikes the guardrail in this location, the energy from the impact will be dissipated through the entire slab of concrete, which makes it much stronger and safer. There's still work to do on the wall itself, including installation of the guardrail, but KTI believes this will move quickly and that they should be able to reopen the road to two full lanes in this location in January.

Retaining wall 100 in James Canyon

Besides the rockery and retaining wall work, crews continue their diligent effort at revegetating areas of the stream that have been worked on. This work will likely slow down as temperatures continue to drop and snow events become more frequent.

Finally, I'd like to apologize to the students and teachers of Jamestown Elementary and other folks who worked so hard on the riparian area plantings, trail, and benches just down from the park below town. A mistake was made and this area did not get noted on our plan sheets, which is why some of the vegetation and part of the trail were damaged during stream restoration efforts. The entire project team feels horrible it happened and we promise to work with the school and students to restore the area as soon as possible.

KTI and their crews will be taking a break from the project after today's shift ends. They'll be back at 8 a.m. on Jan. 2, 2018. When they return, you can expect to see travel delays that are almost the same as what you've been experiencing over the last few weeks.

As always, thank you for your time, patience, and understanding as we work to complete this project. I hope you have a wonderful holiday and a happy new year.



Andrew Barth
Boulder County Transportation